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CVE-2015-7703

HIGHCVSS 7.5/10EPSS 3.85%

Last modified

CVE-2015-7703 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.. EPSS estimates a 3.85% chance of exploitation in the next 30 days.

Description

The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
3.85%

88.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NtpNtp>= 4.2.0, < 4.2.8
NtpNtp>= 4.3.0, < 4.3.77
NtpNtp4.2.8
OracleLinux6
DebianDebian Linux7.0
DebianDebian Linux8.0
DebianDebian Linux9.0
NetappOncommand Performance ManagerAll versions
NetappOncommand Unified ManagerAll versions
NetappClustered Data OntapAll versions
NetappData OntapAll versions
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.3
RedhatEnterprise Linux Server Aus7.4
RedhatEnterprise Linux Server Aus7.6
RedhatEnterprise Linux Server Aus7.7
RedhatEnterprise Linux Server Eus7.3
RedhatEnterprise Linux Server Eus7.4
RedhatEnterprise Linux Server Eus7.5
RedhatEnterprise Linux Server Eus7.6
RedhatEnterprise Linux Server Eus7.7
RedhatEnterprise Linux Server Tus7.3
RedhatEnterprise Linux Server Tus7.6
RedhatEnterprise Linux Server Tus7.7
RedhatEnterprise Linux Workstation6.0
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-7703?
The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.
How severe is CVE-2015-7703?
CVE-2015-7703 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.85% probability of exploitation in the next 30 days.
How do I fix CVE-2015-7703?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-7703?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST